MESON Chess Problem Database
Problem Display
PID: 82080 (6R1/2nQ4/4r1n1/4P3/2p2P1P/2p1Pk1b/2Pb1NNB/4RK1B w - - 0 1)
Ahues, Herbert Siegfried Oskar
Problemnoter, 1960
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Qxh3#
- 1...Ra6
- 2.Qxh3#
- 1...Rb6
- 2.Qxh3#
- 1...Rc6
- 2.Qxh3#
- 1...Rd6
- 2.Qxh3#
- 1...Rf6
- 2.Qxh3#
- 1...Re7
- 2.Qxh3#
- 1...Re8
- 2.Qxh3#
- 1...Bc1
- 2.Qd1#
- 1...Bxe1
- 2.Qd1#
- 1...Bxe3
- 2.Rxe3#
- 2.Qd1#
- 1...Bxg2+
- 2.Bxg2#
- 1...Sxf4
- 2.Rg3#
- 1...Sxh4
- 2.Rg3#
- 1...Sxe5
- 2.Rg3#
- 1...Se7
- 2.Rg3#
- 1...Sf8
- 2.Rg3#
- 1...Sh8
- 2.Rg3#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Rxe5
- Tries
- 1.Qc6+?
- 1...Sd5
- 2.Qxd5#
- 1...Rxc6!
- 1...Sd5
- 1.Qxd2?
- threat
- 2.Qd1#
- 2.Qe2#
- 1...Bxg2+
- 2.Bxg2#
- 1...Sxf4
- 2.Rg3#
- 1...Rd6
- 2.Qe2#
- 1...cxd2!
- threat
- 1.Qd3?
- threat
- 2.Qe2#
- 2.Qe4#
- 1...Bxg2+
- 2.Bxg2#
- 1...Rxe5
- 2.Qe2#
- 1...Sxf4
- 2.Rg3#
- 2.Qe4#
- 1...Bf5
- 2.Qe2#
- 1...cxd3!
- threat
- 1.Qc6+?
- Keys
- 1.h5!
- 1...Bxg2+
- 2.Bxg2#
- 1...Rxe5
- 2.Qxh3#
- 1...Bxe1
- 2.Qd1#
- 1...Bxe3
- 2.Rxe3#
- 2.Qd1#
- 1...Sxf4
- 2.Rg3#
- 1...Sxe5
- 2.Rg3#
- 1...Bg4
- 2.Sh4#
- 1...Ra6
- 2.Qxh3#
- 1...Rb6
- 2.Qxh3#
- 1...Rc6
- 2.Qxh3#
- 1...Rd6
- 2.Qxh3#
- 1...Rf6
- 2.Qxh3#
- 1...Re7
- 2.Qxh3#
- 1...Re8
- 2.Qxh3#
- 1...Bc1
- 2.Qd1#
- 1...Bf5
- 2.Sh4#
- 1...Sh4
- 2.Rg3#
- 1...Se7
- 2.Rg3#
- 1...Sf8
- 2.Rg3#
- 1...Sh8
- 2.Rg3#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Bxg2+
- 1.h5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);OGATE,XP(K)::QAR2(L),XB(d)
- R(f);OGATE::QAR2(L),XB(d)
- B(a);OGATE::QAB(L)
- B(a);OGATE,XR(A)::QAB(L)
- B(d);CHECK,OGATE,P_SPINB(d),XS(F)::B(C),XB(d)
- S(g);OGATE,XP(I)::R1(M)
- S(g);OGATE,XP(J)::R1(M)
- S(g);OGATE,XP(K)::R1(M)
- S(g);OGATE::R1(M)
- S(h);N_GUARD::QAB(L)
- S(h);N_GUARD::QAB(L),XS(h)
- Tries
- Try
- Q(L);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAB(L),XS(h)
- Refutation
- R(f);XQ(L)
- Try
- Q(L);XB(a)
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XS(F)::B(C),XB(d)
- S(g);OGATE,XP(I)::R1(M)
- R(f);::QAB1(L)
- Refutation
- P(b);XQ(L)
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XS(F)::B(C),XB(d)
- R(f);XP(K)::QAB1(L)
- B(d);N_PINS(F)::QAB1(L)
- Refutation
- P(e);XQ(L)
- Try
- Actual
- P(J);
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XS(F)::B(C),XB(d)
- R(f);OGATE,XP(K)::QAR2(L),XB(d)
- B(a);OGATE,XR(A)::QAB(L)
- S(g);OGATE,XP(I)::R1(M)
- S(g);OGATE,XP(K)::R1(M)
- B(d);N_PINS(F)::B(C)+S(F),DCHECK
- R(f);OGATE::QAR2(L),XB(d)
- B(a);OGATE::QAB(L)
- S(g);OGATE::R1(M)
- S(h);N_GUARD::QAB(L)
- S(h);N_GUARD::QAB(L),XS(h)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).